FODM3012R3V Isolators

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FODM3012R3V optoisolator is a Triac, SCR output optoisolator device that provides a high level of electrical isolation between an input signal and a load. The device features a wide adjustment range and superior noise immunity, making it suitable for a range of applications.

Application Field

The FODM3012R3V optoisolator is used in telecommunications and industrial electronics, especially in applications requiring electrical isolation. For example, the device can be used to protect sensitive electronic devices from interference, noise, and transients. It can also be used to protect circuits from reverse power and over-voltage transients caused by large inductive loads. Furthermore, the device is used in applications such as motion control, power management, alarm, and emergency systems.

Working Principle

The FODM3012R3V optoisolator works by using an input signal to switch a light emitting diode (LED). This LED is optically coupled with a photosensitive device that is used to control the electrical switch, which in turn controls the load.

When the input is OFF, the LED diode turns off and the photosensitive device does not allow the electrical switch to close. When input signal is ON, the LED diode turns on, which causes the photosensitive device to turn on, allowing the electrical switch to close and thus switching the load.

As this is a DC device, the input and load circuits are isolated from each other and the device can provide full isolation from the input side to the load side of the device. This ensures that any interference, transients, or voltage spikes at the input side cannot affect the load side of the circuit.

The device is also designed to provide superior noise immunity, while the input and output voltage ranges are adjustable. This makes the device suitable for a range of applications involving voltage control of loads.

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